HoldsUp

Dr. Tyna Moore · 2026-06-26 · Tyna Moore (host), Oliver Amdrup-Chamby

The Protein Mistakes Costing You Muscle in Midlife | Puori

27 research-tied claims examined: 1 contradicted 1 overstated 4 context 11 supported 2 corroborated online 8 unverified

11

Supported by research

0:02:18Oliver Amdrup-Chambysupportedhigh

Dietary protein is biochemically composed of 20 different amino acids.

"When you look at what the protein is built up of, it's built up of 20 different amino acids." (said at 0:02:18)

Biochemically, natural dietary and biological proteins are polymers constructed from 20 standard (proteinogenic/canonical) amino acids encoded by the universal genetic code.

0:03:20Oliver Amdrup-Chambysupportedhigh

The Digestible Indispensable Amino Acid Score (DIAAS) is a scoring system used to measure the quality of dietary protein sources.

"And there's there's you know, a score system called the DIAAS score, which is basically um basically measuring quality of each amino acid like each protein source." (said at 0:03:20)

The claim is accurate. The Digestible Indispensable Amino Acid Score (DIAAS) is an established scoring method adopted by FAO/WHO to evaluate the quality of dietary protein sources by determining the true ileal digestibility of individual indispensable amino acids relative to reference scoring patterns.

0:05:50Oliver Amdrup-Chambysupportedmoderate

Older adults require a higher amount of leucine per serving (around 2.5 grams or more) to trigger muscle protein synthesis due to anabolic resistance.

"if I need to meet that like maybe 2 g of leucine per serving to hit muscle protein synthesis—or it may be even more depending on age." That's something that, you know, as we age you need actually a higher" (said at 0:05:50)

Aging is characterized by anabolic resistance, in which skeletal muscle exhibits a blunted sensitivity to the stimulatory effects of dietary protein and essential amino acids. Evidence demonstrates that the threshold for activating mechanistic target of rapamycin complex 1 (mTORC1) and stimulating muscle protein synthesis (MPS) increases with age, requiring higher per-serving doses of protein and leucine (typically ~2 to 3 grams of leucine, often provided by 20–30+ grams of high-quality protein) to achieve a postprandial MPS response comparable to younger individuals.

0:07:36Oliver Amdrup-Chambysupportedmoderate

When intake of amino acids is deficient, the body prioritizes distributing amino acids to vital organs before skeletal muscle or hair.

"if you only get a little bit of leucine and a little bit of like like small amount of it, it will start with the organs. Like the the most important part will get that amino acids first. So you will have a much harder time, you know, keeping muscle mass, all the other like hair" (said at 0:07:36)

Basic nutritional physiology and metabolic studies support the concept that under conditions of low or restricted protein/amino acid intake, dietary amino acids are prioritized for first-pass utilization and maintenance in central/vital organs (such as the liver and gastrointestinal tract) before surplus amino acids are made available via systemic circulation to support peripheral tissue synthesis such as skeletal muscle and integumentary structures (e.g., hair). In animal models of protein malnutrition, the partitioning of amino acids preserves visceral organ protein mass and turnover at the expense of skeletal muscle growth and accretion.

0:20:34Oliver Amdrup-Chambysupportedhigh

A complete protein is defined as containing all nine essential amino acids.

"having all these nine essential amino acids. That's how you talk about a complete protein versus an incomplete." (said at 0:20:34)

In nutritional science, a complete protein is conventionally defined as a dietary protein source that contains all nine essential amino acids (histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine) in adequate proportions to meet human physiological requirements, in contrast to incomplete proteins that lack or are insufficient in one or more essential amino acids.

0:22:38Oliver Amdrup-Chambysupportedmoderate

Cacao plants bioaccumulate heavy metals from the soil into cacao beans.

"because if you want to use real organic cacao beans, cacao beans are also really good at accumulating heavy metals out of the soil." (said at 0:22:38)

Agricultural and environmental chemistry studies consistently confirm that the cacao plant (Theobroma cacao L.) readily absorbs and bioaccumulates heavy metals—most notably cadmium—from the soil, translocating and partitioning them into leaves and beans. The degree of accumulation depends on soil characteristics (such as pH and cadmium bioavailability), geographic factors, and genetic cultivars of the plant.

0:01:00Oliver Amdrup-Chambysupportedhigh

The traditional baseline dietary recommendation for protein intake was 0.8 grams per kilogram of body weight.

"I think the old recommendation we had was like 0.8 grams per kilo, right?" (said at 0:01:00)

The standard Recommended Dietary Allowance (RDA) for protein established by the Institute of Medicine (now the National Academies of Sciences, Engineering, and Medicine) and the World Health Organization is 0.8 g of protein per kilogram of body weight per day for healthy adults. This baseline recommendation was established primarily to prevent deficiency and maintain nitrogen balance.

0:37:15Tyna Moore (host)supportedmoderate

Pea and hemp plants act as bioaccumulators that pull heavy metals from the soil, and hemp is planted specifically for soil phytoremediation.

"I think that people don't understand that a lot of these plants are bioaccumulators. They That's literally what they do is they they pull out of the soil. And so, pea is a really [clears throat] high bioaccumulator. Hemp is a I mean, They literally plant hemp to clean fields out before they bring in a different crop." (said at 0:37:15)

The speaker's claim is supported by botanical and environmental research. Industrial hemp (Cannabis sativa) possesses deep root systems and high biomass that effectively extract and tolerate heavy metals such as cadmium, lead, and zinc, making it a widely studied and applied candidate for soil phytoremediation. Similarly, pea plants (Pisum sativum) are known to bioaccumulate heavy metals (notably sequestering substantial concentrations of metals like cadmium primarily within their root systems at levels comparable to other accumulator species).

0:58:26Tyna Moore (host)supportedmoderate

Creatine supplementation provides cognitive and brain function benefits, especially in older adults.

"I actually clinically never used creatine for muscle. I have always used creatine for brain. Long time ago the early studies coming out on cognition, I was like sign me up. And all the little old ladies in my practice, everybody got creatine and everybody got protein powder" (said at 0:58:26)

The host's claim that creatine supplementation provides cognitive and brain function benefits, particularly in older adults, is supported by meta-analyses of randomized controlled trials. A 2023 systematic review and meta-analysis specifically evaluated healthy individuals and found that creatine supplementation significantly enhanced memory performance, with subgroup analysis demonstrating a substantially larger effect size in older adults (ages 66–76) compared to younger adults. A 2024 meta-analysis similarly demonstrated moderate-certainty evidence for memory improvements alongside benefits in attention and information processing speed across adult populations.

0:56:46Tyna Moore (host)supportedhigh

Eating large solid meals close to bedtime while on GLP-1 receptor agonists leads to severe heartburn and gastrointestinal discomfort due to delayed gastric emptying.

"Because the worst thing you can do on a GLP-1 is eat a bunch of food and then go to bed. You will end up having such heartburn and such discomfort all night long. Everything just sort of sits there and ferments." (said at 0:56:46)

GLP-1 receptor agonists significantly slow gastric motility and delay gastric emptying, which markedly increases the risk of gastroesophageal reflux disease (GERD) and postprandial gastrointestinal distress. A systematic review and meta-analysis of 55 randomized controlled trials comprising 106,395 participants demonstrated that GLP-1 receptor agonists more than double the risk of GERD compared to placebo (RR 2.19, 95% CI 1.48–3.25). Large population-based cohort studies have confirmed this increased GERD risk in real-world clinical use. Because delayed gastric emptying prolongs the presence of residual food contents in the stomach, consuming large meals shortly before lying down increases intra-gastric pressure and nocturnal acid reflux.

1:01:18Oliver Amdrup-Chambysupportedmoderate

European regulations require significantly more safety documentation before a new chemical, pesticide, or herbicide can be introduced to the market compared to US regulations.

"the way that you have to have way more documentation before you add a new chemical to the market or a new kind of pesticide or herbicide and so on." (said at 1:01:18)

Comparative regulatory analyses support the claim that European chemical safety regulations place greater requirements on manufacturers for pre-market safety documentation and demonstrating safety compared to traditional US regulatory frameworks under the Toxic Substances Control Act (TSCA). Under the European Union's REACH regulation (Regulation EC No 1907/2006), a precautionary regulatory framework mandates that chemical manufacturers and importers provide extensive toxicity and safety documentation to demonstrate safety prior to commercialization. Comparative policy analyses highlight that REACH explicitly shifts the legal burden to industry to produce safety data, contrasting with US approaches under TSCA where regulatory authorities faced greater burdens to establish potential risk before requesting comprehensive safety testing.

Unverified means no publication matching the claim was located; it does not prove the claim false. Spotted an error? See the corrections policy - disputes from the people quoted are prioritized.